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FileInput: calculate file record length down to the microsecond. Implements #614

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This commit is contained in:
f4exb
2020-08-26 00:12:30 +02:00
parent b644e7fe92
commit 47a1eeaedc
5 changed files with 27 additions and 25 deletions
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plugins/samplesource/fileinput/fileinput.cpp
+11 -10
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@@ -58,7 +58,7 @@ FileInput::FileInput(DeviceAPI *deviceAPI) :
m_sampleRate(48000),
m_sampleSize(0),
m_centerFrequency(435000000),
m_recordLength(0),
m_recordLengthMuSec(0),
m_startingTimeStamp(0)
{
m_deviceAPI->setNbSourceStreams(1);
@@ -114,12 +114,12 @@ void FileInput::openFileStream()
if (crcOK)
{
qDebug("FileInput::openFileStream: CRC32 OK for header: %s", qPrintable(crcHex));
m_recordLength = (fileSize - sizeof(FileRecord::Header)) / ((m_sampleSize == 24 ? 8 : 4) * m_sampleRate);
m_recordLengthMuSec = ((fileSize - sizeof(FileRecord::Header)) * 1000000UL) / ((m_sampleSize == 24 ? 8 : 4) * m_sampleRate);
}
else
{
qCritical("FileInput::openFileStream: bad CRC32 for header: %s", qPrintable(crcHex));
m_recordLength = 0;
m_recordLengthMuSec = 0;
}
if (getMessageQueueToGUI())
@@ -130,12 +130,12 @@ void FileInput::openFileStream()
}
else
{
m_recordLength = 0;
m_recordLengthMuSec = 0;
}
qDebug() << "FileInput::openFileStream: " << m_fileName.toStdString().c_str()
<< " fileSize: " << fileSize << " bytes"
<< " length: " << m_recordLength << " seconds"
<< " length: " << m_recordLengthMuSec << " microseconds"
<< " sample rate: " << m_sampleRate << " S/s"
<< " center frequency: " << m_centerFrequency << " Hz"
<< " sample size: " << m_sampleSize << " bits";
@@ -148,11 +148,11 @@ void FileInput::openFileStream()
m_sampleSize,
m_centerFrequency,
m_startingTimeStamp,
m_recordLength); // file stream data
m_recordLengthMuSec); // file stream data
getMessageQueueToGUI()->push(report);
}
if (m_recordLength == 0) {
if (m_recordLengthMuSec == 0) {
m_ifstream.close();
}
}
@@ -163,7 +163,8 @@ void FileInput::seekFileStream(int seekMillis)
if ((m_ifstream.is_open()) && m_fileInputWorker && !m_fileInputWorker->isRunning())
{
quint64 seekPoint = ((m_recordLength * seekMillis) / 1000) * m_sampleRate;
quint64 seekPoint = ((m_recordLengthMuSec * seekMillis) / 1000) * m_sampleRate;
seekPoint /= 1000000UL;
m_fileInputWorker->setSamplesCount(seekPoint);
seekPoint *= (m_sampleSize == 24 ? 8 : 4); // + sizeof(FileRecord::Header)
m_ifstream.clear();
@@ -612,8 +613,8 @@ void FileInput::webapiFormatDeviceReport(SWGSDRangel::SWGDeviceReport& response)
response.getFileInputReport()->setAbsoluteTime(new QString(dt.toString("yyyy-MM-dd HH:mm:ss.zzz")));
QTime recordLength(0, 0, 0, 0);
recordLength = recordLength.addSecs(m_recordLength);
response.getFileInputReport()->setDurationTime(new QString(recordLength.toString("HH:mm:ss")));
recordLength = recordLength.addMSecs(m_recordLengthMuSec / 1000UL);
response.getFileInputReport()->setDurationTime(new QString(recordLength.toString("HH:mm:ss.zzz")));
response.getFileInputReport()->setFileName(new QString(m_fileName));
response.getFileInputReport()->setSampleRate(m_sampleRate);